CN217588654U - Passive component conductive inductor - Google Patents
Passive component conductive inductor Download PDFInfo
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- CN217588654U CN217588654U CN202220019000.6U CN202220019000U CN217588654U CN 217588654 U CN217588654 U CN 217588654U CN 202220019000 U CN202220019000 U CN 202220019000U CN 217588654 U CN217588654 U CN 217588654U
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- coil
- layer
- base body
- passive component
- inductor
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- 239000010410 layer Substances 0.000 claims abstract description 52
- 239000011241 protective layer Substances 0.000 claims abstract description 26
- 238000004804 winding Methods 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 2
- 238000002161 passivation Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009713 electroplating Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model provides a passive component electrically conducts inductor, include: the winding device comprises a base body, a winding part and a winding part, wherein the winding part is arranged on the base body; the coil is wound on the winding part, and two ends of the coil are exposed out of the base body; the first protective layer covers partial coil and the outer side of the base body; and the electrode layers are electrically connected to two end parts of the coil and at least comprise a metal layer.
Description
Technical Field
The utility model relates to an inductor field, more specifically the says so, relates to a passive component electrically conducts inductor.
Background
A method for manufacturing a passive element conductive inductor, which has a main function of stabilizing current in a circuit and reducing noise of a filtering signal, is similar to the function of regulating current by storing electric energy in a release circuit, and the passive element inductor is formed by a magnetic field and is similar to a capacitive energy storage mode.
At present, the product is widely used in the market and is required to be miniaturized, and the problems of electric conductivity, energy consumption, heat generation and the like of the product are very important to solve while the product is miniaturized more and more. Meanwhile, under the background that the manufacturing cost is increasing day by day, the common problems of the industry are solved by optimizing the manufacturing process, reducing materials and processes and shortening the manufacturing process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a passive component conductive inductor.
The utility model discloses what solve is the problem that current passive component conductive inductor exists.
Compared with the prior art, the utility model discloses technical scheme and beneficial effect as follows:
a passive component conductive inductor, comprising: the winding device comprises a base body, a winding part and a winding part, wherein the winding part is arranged on the base body; the coil is wound on the winding part, and two ends of the coil are exposed out of the base body; the first protective layer covers part of the coil and the outer side of the base body; and the electrode layers are electrically connected to two end parts of the coil and at least comprise a metal layer.
As a further improvement, the cross-sectional area of the winding portion is greater than one third of the cross-sectional area of the base body and less than three quarters of the cross-sectional area of the base body.
As a further improvement, the coil further comprises a second protection layer, wherein the second protection layer covers the outer side of the first protection layer, and the second protection layer does not cover two ends of the coil.
As a further improvement, the electrode layer includes: a copper layer connected to the coil end; the nickel layer is connected to one side, far away from the coil end, of the copper layer; and the tin layer is connected to one side of the nickel layer, which is far away from the copper layer.
As a further improvement, the base body and the first protective layer are made by powder die casting.
As a further improvement, the first protection layer and the base body adopt the same powder.
As a further improvement, the second protective layer is made of a glue material by spraying.
The beneficial effects of the utility model are that:
the combination of the substrate, the coil, the first protective layer, the second protective layer and the electrode layer is adopted, wherein the end part of the coil is directly conducted with the electrode layer without other media, so that the inductor with good conductive performance, low energy consumption and low heat generation is provided;
and the coil end is covered by direct copper electroplating, and other metal coatings such as nickel and tin are added to form a more wear-resistant and oxidation-resistant electrode layer. Thereby reducing the process procedure, lowering the production cost, shortening the processing and production cycle time and improving the damage resistance of the product.
Drawings
Fig. 1 is a schematic diagram of a first structure of a passive component conductive inductor according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a second structure of a conductive inductor of a passive component according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a third structure of a passive component conductive inductor according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a fourth structure of a passive component conductive inductor according to an embodiment of the present invention.
Fig. 5 is a fifth structural schematic diagram of a conductive inductor of a passive component according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a passive component conductive inductor and a manufacturing method thereof according to an embodiment of the present invention.
Fig. 7 is a cross-sectional view of a passive component conductive inductor according to an embodiment of the present invention.
In the figure:
1. base 11, winding part 2, coil
3. First protective layer 4, second protective layer 5, electrode layer
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 7, a passive component conductive inductor includes: the winding device comprises a base body 1, wherein a winding part 11 is arranged on the base body 1; a coil 2, wherein the coil 2 is wound on the winding part 11, and two ends of the coil 2 are exposed out of the base body 1; the first protective layer 3 covers part of the coil 2 and the outer side of the base body 1; the second protective layer 4 covers the outer side of the first protective layer, and the second protective layer 4 does not cover two ends of the coil; and electrode layers 5 electrically connected to both end portions of the coil 2, wherein partial surfaces of the end portions of the coil 2 are flush with corresponding outer surfaces of the inductor.
It should be noted that the magnetic inductance of the coil 2 is different according to the requirement of the product, for example, the larger the number of turns of the coil, the higher the magnetic inductance.
The cross-sectional area of the winding portion 11 is greater than one third of the cross-sectional area of the base body 1 and less than three quarters of the cross-sectional area of the base body 1. The inductor has the advantages that on the premise of miniaturization of the inductor, the sufficient winding space is ensured, and meanwhile, the good magnetic conductivity is ensured.
The electrode layer 5 at least comprises a metal layer. In this embodiment, the electrode layer 5 includes: a copper layer connected to an end of the coil 2; a nickel layer connected to the copper layer on a side away from the end of the coil 2; and the tin layer is connected to one side of the nickel layer far away from the copper layer.
The end part of the coil is directly conducted with the electrode layer, other media are not needed between the end part of the coil and the electrode layer, the conductivity is enhanced, and meanwhile, the electromagnetic loss is reduced, and the heat generation is reduced.
The base body 1 is made of powder through die casting; the powder is metal powder or sodium powder or mixed powder of the metal powder and the sodium powder; the metal powder is iron powder or stainless steel powder; and the shape of the base body is T-shaped.
The first protective layer 3 is made of powder through die casting, the first protective layer and the base body are made of the same powder, and the coil is not prone to damage and oxidation; and this first protective layer 3 and base member 1 hot pressing are in an organic whole, wrap up coil 2 inside, and this first protective layer 3 and base member 1 adopt same kind of powder, mainly play the isolation effect for the potential difference is not produced to the product inside, and the coil is in the electromagnetic isolation environment.
The second protective layer 4 is formed by spraying a glue material, and the second protective layer 4 has corrosion resistance, oxidation resistance, hydrochloric acid atomization resistance, high temperature resistance and airtightness.
It should be noted that, referring to fig. 5, the second protective layer covers the entire product and does not cover the end of the coil 2.
Referring to fig. 6, a method for manufacturing a conductive inductor of a passive component includes: cold pressing the powder into a matrix; winding a coil on the winding part of the base body; hot-pressing the powder to form a first protective layer covering the wire winding part and the outer side of the matrix; spraying glue on the outer side of the first protective layer to form a second protective layer, and heating, baking and curing; performing laser paint stripping treatment to expose the end part of the coil; and manufacturing a surface electrode layer connected with the coil lead.
Making a surface electrode layer connected to a coil lead wire, comprising: electroplating a copper layer on the end of the coil; electroplating a nickel layer on one side of the copper layer far away from the end part of the coil; and electroplating the tin layer on the side of the nickel layer far away from the copper layer.
The above examples are only for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that any modification and equivalent arrangement that do not depart from the spirit and scope of the invention should fall within the scope of the claims of the invention.
Claims (7)
1. A passive component conductive inductor, comprising:
the winding device comprises a base body, a winding part and a winding part, wherein the winding part is arranged on the base body;
the coil is wound on the winding part, and two ends of the coil are exposed out of the base body;
the first protective layer covers partial coil and the outer side of the base body;
and the electrode layers are electrically connected to two end parts of the coil and at least comprise a metal layer.
2. The conductive inductor as claimed in claim 1, wherein the cross-sectional area of the winding portion is greater than one third and less than three quarters of the cross-sectional area of the base.
3. The inductor as claimed in claim 1, further comprising a second passivation layer covering the outside of the first passivation layer, wherein the second passivation layer does not cover the two ends of the coil.
4. A passive component conductive inductor according to claim 1, wherein the electrode layer comprises:
a copper layer connected to the coil end;
the nickel layer is connected to one side, far away from the coil end, of the copper layer;
and the tin layer is connected to one side of the nickel layer, which is far away from the copper layer.
5. The conductive inductor of passive component of claim 1, wherein said base and said first protective layer are powder die cast.
6. The conductive inductor of claim 5, wherein the first protective layer and the substrate are formed of the same powder.
7. The conductive inductor of claim 3, wherein the second protective layer is formed by spraying a glue material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019000.6U CN217588654U (en) | 2022-01-05 | 2022-01-05 | Passive component conductive inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019000.6U CN217588654U (en) | 2022-01-05 | 2022-01-05 | Passive component conductive inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217588654U true CN217588654U (en) | 2022-10-14 |
Family
ID=83538138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220019000.6U Active CN217588654U (en) | 2022-01-05 | 2022-01-05 | Passive component conductive inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217588654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388246A (en) * | 2022-01-05 | 2022-04-22 | 厦门攸信信息技术有限公司 | Passive element conductive inductor and preparation method thereof |
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2022
- 2022-01-05 CN CN202220019000.6U patent/CN217588654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388246A (en) * | 2022-01-05 | 2022-04-22 | 厦门攸信信息技术有限公司 | Passive element conductive inductor and preparation method thereof |
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